Finding the Fourth Proportional to 138,854,625.22, 191,612,059.24 and 79,304,214.03
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Solution
The fourth proportional to 138,854,625.22, 191,612,059.24 and 79,304,214.03 is: 109,435,632.65
Step by Step Solution
- Step 1: Write the proportion equation
138,854,625.22 : 191,612,059.24 = 79,304,214.03 : x - Step 2: Convert to fraction form
138,854,625.22/191,612,059.24 = 79,304,214.03/x - Step 3: Cross multiply
138,854,625.22x = 191,612,059.24 × 79,304,214.03 - Step 4: Simplify right side
138,854,625.22x = 15,195,643,756,698,000 - Step 5: Solve for x
x = 15,195,643,756,698,000/138,854,625.22 - Step 6: Final answer
x = 109,435,632.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.